10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018 Steve Montana North and Central Americas United States Click for full sized imageā¦
Argyll and Bute Scotland United Kingdom 3596 Sapphire, Kilfinichen Bay, Loch Scridain, Isle of Mull, Argyll and Bute, Scotland November 30, 2018
North and Central Americas North Carolina United States ncat VHD15, Corundum, Old Pressley Mine, Haywood Co., North Carolina, USA November 17, 2019